It doesn't explicitly mention intervention, no, but my assumption is that so long as the sperm are projected through your urethra, it shouldn't matter how they came into being. You are giving up life, after all--as am I.

[ He tipped his head slightly. ] We don't need to be so far apart. There are ways to preserve your orgasm, until we're ready for it. [ He nodded toward the sex toys, certain there would be something there. ]